<template>
  <div class="login">
    <div class="login-box">
      <div class="login-logo" v-if="lesseeLogo">
        <img :src="lesseeLogo"/>
      </div>
      <h3 class="title">{{title}}后台管理系统</h3>
      <el-tabs v-model="curTab">
        <el-tab-pane label="企业微信登录" name="byEwm" v-if="inputLesseeid">
          <div id="ewm"></div>
        </el-tab-pane>
        <el-tab-pane v-bind:label="inputLesseeid?'账号密码登录':'登录'" name="byForm">
          <el-form ref="loginForm" :model="loginForm" :rules="loginRules" class="login-form">
            <el-form-item prop="lesseeid" v-if="!inputLesseeid">
              <el-input v-model="loginForm.lesseeid" type="text" auto-complete="off" placeholder="企业号" @keyup.enter.native="setInputLesseeId(loginForm.lesseeid)">
                <svg-icon slot="prefix" icon-class="user" class="el-input__icon input-icon" />
              </el-input>
            </el-form-item>

            <el-form-item prop="username" v-if="inputLesseeid">
              <el-input v-model="loginForm.username" type="text" auto-complete="off" placeholder="账号">
                <svg-icon slot="prefix" icon-class="user" class="el-input__icon input-icon" />
              </el-input>
            </el-form-item>
            <el-form-item prop="password" v-if="inputLesseeid">
              <el-input
                v-model="loginForm.password"
                type="password"
                auto-complete="off"
                placeholder="密码"
                @keyup.enter.native="handleLogin"
              >
                <svg-icon slot="prefix" icon-class="password" class="el-input__icon input-icon" />
              </el-input>
            </el-form-item>
            <!-- <el-form-item prop="code" v-if="inputLesseeid">
              <el-input
                v-model="loginForm.code"
                auto-complete="off"
                placeholder="验证码"
                style="width: 63%"
                @keyup.enter.native="handleLogin"
              >
                <svg-icon slot="prefix" icon-class="validCode" class="el-input__icon input-icon" />
              </el-input>
              <div class="login-code">
                <img :src="codeUrl" @click="getCode" />
              </div>
            </el-form-item> -->
            <el-checkbox v-model="loginForm.rememberMe" style="margin:0px 0px 25px 0px;" v-if="inputLesseeid">记住密码</el-checkbox>
            <el-form-item style="width:100%;">
              <el-button
                :loading="loading"
                size="medium"
                type="primary"
                style="width:100%;"
                @click.native.prevent="handleLogin"
                v-if="inputLesseeid"
              >
                <span v-if="!loading">登 录</span>
                <span v-else>登 录 中...</span>
              </el-button>
              <el-button
                :loading="loading"
                size="medium"
                type="primary"
                style="width:100%;"
                @click.native.prevent="setInputLesseeId(loginForm.lesseeid)"
                v-if="!inputLesseeid"
              >
                <span>下一步</span>
              </el-button>
            </el-form-item>
          </el-form>
        </el-tab-pane>
      </el-tabs>
    </div>
    <!--  底部  -->
    <div class="el-login-footer">
      <span>Copyright © 2018-2020 binuo All Rights Reserved.</span>
    </div>
  </div>
</template>

<script>
import { getCodeImg } from "@/api/login";
import { apiopen } from "@/api/lessee";
import Cookies from "js-cookie";
import { encrypt, decrypt } from '@/utils/jsencrypt'
import '@/utils/wwLogin-1.0.0.js'
export default {
  name: "Login",
  data() {
    return {
      curTab:"byForm",
      codeUrl: "",
      cookiePassword: "",
      inputLesseeid: '',
      loginForm: {
        username: "",
        password: "",
        rememberMe: false,
        code: "",
        uuid: "",
        lesseeid: ''
      },
      loginRules: {
        username: [
          { required: true, trigger: "blur", message: "用户名不能为空" }
        ],
        password: [
          { required: true, trigger: "blur", message: "密码不能为空" }
        ],
        // code: [{ required: true, trigger: "change", message: "验证码不能为空" }],
        lesseeid: [{ required: true, trigger: "change", message: "企业号不能为空" }]
      },
      loading: false,
      redirect: undefined
    };
  },
  watch: {
    $route: {
      handler: function(route) {
        this.redirect = route.query && route.query.redirect;
      },
      immediate: true
    },
    inputLesseeid: function (newVal, oldVal) {
      this.curTab = "byEwm"
      if(newVal){
        setTimeout(function () {
          apiopen({lesseeId:newVal, appCode:'APP_CODE_AUTH'}).then(function (res) {
            let corpInfo = res.rows[0];
            window.WwLogin({
              "id" : "ewm",
              "appid" : corpInfo.corpId,
              "agentid" : corpInfo.agentId,
              "redirect_uri" :encodeURIComponent(location.origin+location.pathname+"#/wwloginRedirect"),
              "state" : newVal,
              "href" : "",
            })
          })
        },200)
      }
    }
  },
  created() {
    let redirect = this.$route.query.redirect
    this.inputLesseeid = this.$route.query.lesseeid||'13'
    this.loginForm.lesseeid = this.$route.query.lesseeid||'13'
    let autoLogin = redirect.indexOf('autoLogin=1')>-1?'1':''
    this.getCode();
    this.getCookie(autoLogin);
  },
  mounted() {
    let that = this;
    that.setInputLesseeId(that.$route.query.lesseeid);
  },
  methods: {
    getCode() {
      getCodeImg().then(res => {
        this.codeUrl = "data:image/gif;base64," + res.img;
        this.loginForm.uuid = res.uuid;
      });
    },
    getCookie(autoLogin) {
      const username = Cookies.get("username");
      const password = Cookies.get("password");
      const rememberMe = Cookies.get('rememberMe')
      this.loginForm = {
        username: username === undefined ? this.loginForm.username : username,
        password: password === undefined ? this.loginForm.password : decrypt(password),
        rememberMe: rememberMe === undefined ? false : Boolean(rememberMe)
      };
      if(username&&password&&autoLogin=='1'){
        setTimeout(()=>{
          this.handleLogin()
        }, 500)
        
      }
    },
    handleLogin() {
      this.$refs.loginForm.validate(valid => {
        if (valid) {
          this.loading = true;
          if (this.loginForm.rememberMe) {
            Cookies.set("username", this.loginForm.username, { expires: 30 });
            Cookies.set("password", encrypt(this.loginForm.password), { expires: 30 });
            Cookies.set('rememberMe', this.loginForm.rememberMe, { expires: 30 });
          } else {
            Cookies.remove("username");
            Cookies.remove("password");
            Cookies.remove('rememberMe');
          }
          if(this.inputLesseeid && !this.loginForm.lesseeid){
            this.loginForm.lesseeid = this.inputLesseeid
          }
          this.$store
            .dispatch("Login", this.loginForm)
            .then(() => {
              this.$router.push({ path: this.redirect || "/" });
            })
            .catch(() => {
              this.loading = false;
              this.getCode();
            });
        }
      });
    },
    setInputLesseeId(lesseeid){
      let that = this
      that.inputLesseeid = lesseeid || "13"
      this.$store.commit('SET_LESSEE_NAME', lesseeid)
    }
  },
  computed: {
    title () {
      return this.$store.state.user.lesseename
    },
    lesseeLogo(){
      if(this.$store.state.user.lesseename){
        return require('@/assets/logo/'+this.$store.state.user.lesseename+'.jpg')
      }else{
        return ""
      }
    }
  }
};
</script>

<style rel="stylesheet/scss" lang="scss">
.login {
  height: 100%;
  background-image: url("../assets/image/login-background.jpg");
  background-size: cover;
}
.login-box{
  display: inline-block;
  width: auto;
  background-color: #FFFFFF;
  position: absolute;
  left: 50%;
  top: 50%;
  transform:translate(-50%,-50%);
  border-radius: 10px;

  box-shadow: 0px 12px 54px 0px rgba(19, 79, 201, 0.26);
  border-radius: 50px;
}
#ewm{
  width: 400px;
  text-align: center;
  padding-bottom: 5px;
}
.title {
  margin: 0px auto 30px auto;
  text-align: center;
  color: #707070;
}

.login-form {
  border-radius: 6px;
  background: #ffffff;
  width: 400px;
  padding: 25px 25px 5px 25px;
  .el-input {
    height: 38px;
    input {
      height: 38px;
    }
  }
  .input-icon {
    height: 39px;
    width: 14px;
    margin-left: 2px;
  }
}
.login-tip {
  font-size: 13px;
  text-align: center;
  color: #bfbfbf;
}
.login-code {
  width: 33%;
  height: 38px;
  float: right;
  img {
    cursor: pointer;
    vertical-align: middle;
  }
}
.el-login-footer {
  height: 40px;
  line-height: 40px;
  position: fixed;
  bottom: 0;
  width: 100%;
  text-align: center;
  color: #fff;
  font-family: Arial;
  font-size: 12px;
  letter-spacing: 1px;
}
.el-tabs__nav-scroll{
  text-align: center;
}
.el-tabs__nav{
  display: inline-block;
  float: none;
}

.login-logo{
  text-align: center;
  margin-bottom: 15px;
}
.login-logo img{
  width: 100px;
}
</style>
